package com.thinkcar.core.config;

import cn.hutool.core.date.DatePattern;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.thinkcar.core.jackson.JavaTimeModule;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.context.annotation.Bean;

import java.time.ZoneId;
import java.util.Locale;
import java.util.TimeZone;

/**
 * Jackson配置类，用于自定义Jackson的ObjectMapper配置
 *
 * @author Mr.xiang
 * @author lishangbu
 * @date 2025/05/30
 */
@AutoConfiguration
@ConditionalOnClass(ObjectMapper.class)
@AutoConfigureBefore(JacksonAutoConfiguration.class)
public class JacksonConfiguration {

    /**
     * 自定义Jackson2ObjectMapperBuilder配置
     *
     * @return Jackson2ObjectMapperBuilderCustomizer实例，包含以下配置： 1. 设置地区为中国 2. 设置系统默认时区 3.
     * 设置默认日期时间格式 4. 配置Long类型序列化为字符串 5. 注册自定义时间模块
     */
    @Bean
    @ConditionalOnMissingBean
    public Jackson2ObjectMapperBuilderCustomizer customizer() {
        return builder -> {
            builder.locale(Locale.CHINA);
            builder.timeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            builder.simpleDateFormat(DatePattern.NORM_DATETIME_PATTERN);
            builder.serializerByType(Long.class, ToStringSerializer.instance);
            builder.modules(new JavaTimeModule());
        };
    }

}
